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disable ping when smartdns run as non-root user

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This commit is contained in:
Nick Peng
2019-10-27 16:51:11 +08:00
parent 64abad4077
commit fb3b0a7245
3 changed files with 48 additions and 0 deletions
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33
src/dns_conf.c
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@@ -1300,6 +1300,38 @@ void dns_server_load_exit(void)
_config_group_table_destroy();
}
static int _dns_conf_speed_check_mode_verify(void)
{
int i, j;
int has_cap = has_network_raw_cap();
int print_log = 0;
if (has_cap == 1) {
return 0;
}
for (i = 0; i < DOMAIN_CHECK_NUM; i++) {
if (dns_conf_check_order.order[i] == DOMAIN_CHECK_ICMP) {
for (j = i + 1; j < DOMAIN_CHECK_NUM; j++) {
dns_conf_check_order.order[j - 1] = dns_conf_check_order.order[j];
}
dns_conf_check_order.order[j - 1] = DOMAIN_CHECK_NONE;
print_log = 1;
}
}
if (print_log) {
tlog(TLOG_WARN, "speed check by ping is disabled because smartdns does not have network raw privileges");
}
return 0;
}
static int _dns_conf_load_post(void)
{
_dns_conf_speed_check_mode_verify();
return 0;
}
int dns_server_load_conf(const char *file)
{
int ret = 0;
@@ -1307,5 +1339,6 @@ int dns_server_load_conf(const char *file)
openlog("smartdns", LOG_CONS | LOG_NDELAY, LOG_LOCAL1);
ret = load_conf(file, _config_item, _conf_printf);
closelog();
_dns_conf_load_post();
return ret;
}